package com.doit.day04

import scala.collection.mutable

//无序  唯一
object _03_set {
  def main(args: Array[String]): Unit = {

    val set: Set[Int] = Set(1, 2, 3, 4, 1, 1, 1, 1, 2, 2, 3, 4)
    println(set.size)
    println(set)

    val value: mutable.Set[Int] = mutable.Set[Int]()

  }
}
